Overview
The MC79L05ACPRA is a negative voltage regulator from onsemi, part of the MC79L00A Series. These regulators are known for their ease of use and affordability, making them suitable for a wide range of applications that require up to 100 mA of current. The MC79L05ACPRA specifically provides a regulated output voltage of -5.0 V, making it ideal for systems requiring a stable negative voltage supply.
Key Specifications
| Characteristics | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Output Voltage (TJ = +25°C) | VO | -4.9 | -5.0 | -5.1 | Vdc |
| Input Voltage Range | VI | -7.0 | -35.0 | Vdc | |
| Input Regulation (TJ = +25°C) | Regline | 200 | mV | ||
| Load Regulation (TJ = +25°C, 1.0 mA ≤ IO ≤ 100 mA) | Regload | 100 | mV | ||
| Dropout Voltage (IO = 40 mA, TJ = +25°C) | |VI−VO| | 1.7 | Vdc | ||
| Operating Temperature Range | TJ | -40 | 125 | °C | |
| Package | TO-92 | ||||
| Thermal Resistance, Junction-to-Ambient | RJA | 200 | °C/W |
Key Features
- Stable Output Voltage: Provides a regulated output voltage of -5.0 V, ensuring stable operation in various applications.
- Low Dropout Voltage: The dropout voltage is typically 1.7 V at 40 mA, making it efficient for use in systems with limited input voltage headroom.
- Wide Input Voltage Range: Operates over an input voltage range of -7.0 V to -35.0 V, offering flexibility in system design.
- High Accuracy: Features good input and load regulation, ensuring minimal variation in output voltage under different operating conditions.
- Compact Packaging: Available in the TO-92 package, which is compact and suitable for space-constrained designs.
- Lead-Free Option: Available in lead-free versions, making it compliant with environmental regulations.
Applications
- Power Supplies: Used in negative voltage power supply circuits where a stable -5.0 V output is required.
- Audio Equipment: Suitable for audio equipment that requires a negative voltage supply for operational amplifiers or other components.
- Industrial Control Systems: Can be used in industrial control systems that need a reliable negative voltage source.
- Medical Devices: Applicable in medical devices that require stable and regulated negative voltages.
- Automotive Electronics: Used in automotive electronics where a stable negative voltage is necessary for various subsystems.
Q & A
- What is the output voltage of the MC79L05ACPRA?
The output voltage of the MC79L05ACPRA is -5.0 V.
- What is the maximum current output of the MC79L05ACPRA?
The maximum current output is 100 mA.
- What is the input voltage range for the MC79L05ACPRA?
The input voltage range is from -7.0 V to -35.0 V.
- What is the typical dropout voltage of the MC79L05ACPRA?
The typical dropout voltage is 1.7 V at 40 mA.
- What is the operating temperature range of the MC79L05ACPRA?
The operating temperature range is from -40°C to 125°C.
- In what package is the MC79L05ACPRA available?
The MC79L05ACPRA is available in the TO-92 package.
- Is the MC79L05ACPRA lead-free?
Yes, lead-free versions are available.
- What is the thermal resistance, junction-to-ambient, for the MC79L05ACPRA?
The thermal resistance, junction-to-ambient, is 200°C/W.
- What are some common applications for the MC79L05ACPRA?
Common applications include power supplies, audio equipment, industrial control systems, medical devices, and automotive electronics.
- How does the MC79L05ACPRA ensure stable output voltage?
The MC79L05ACPRA ensures stable output voltage through good input and load regulation, minimizing variations in output voltage under different operating conditions.
